Washington · Snohomish County
Occurrence

Jumbo Mountain

Snohomish County, Washington, United States
CobaltNickelCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCobalt, Nickel, Copper
Commodity typeM
Deposit
Deposit sizeS
Materials
Ore mineralsChalcopyrite, Pentlandite, Pyrrhotite
Geology
Host rockQuartzite · Barlow Pass Volcanics
Associated rockDunite · Eastern Melange Belt;Eastern Melange Belt
Economic & production
Development statusOccurrence
Identification
Deposit ID10068217
MRDS IDW001167
RegionNA
Data scoreC
Coordinates48.19425, -121.589
References
MILLS, J.W., 1960, MINING ENGINEERING, V.12, NO. 3, MARCH, 1960, P. 272-274.TABOR, R.W., BOOTH, D.B., VANCE, J.A., FORD, A.B., AND ORT, M.H., 1988, PRELIMINARY GEOLOGIC MAP OF THE SAUK RIVER 30 BY 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 88-692, SCALE 1:100,000.UNPUBLISHED COBALT REPORT